From: Alex Young <alex@...>
Date: 2007-11-04T21:30:29+09:00
Subject: Re: sprintf percent sign problem

mpthimios wrote:
> Hi,
>     I am trying to format some text using sprintf. The text itself
> contains the percent sign (%).
> 
> When I use it without any escape character, as expected ruby throws
> error (unkonown format sequence).
> 
> When I use the "\%" sequence ruby complaints when the "\%" is
> somewhere in the text. When it is at the end it works but I don't want
> it there.
> 
> When I use the "%%" sequence, I get the exact sequence as output ("%%"
> is printed!!).. \
> 
> Has anyone observed this behavior? Am I doing something wrong or it is
> a ruby bug?

I don't see that:

irb(main):001:0> text = "foo%%bar"
=> "foo%%bar"
irb(main):002:0> sprintf(text)
=> "foo%bar"

-- 
Alex